September weather forecast
Ciudad Sandino, Nicaragua

September remains within the wet season, hosting the year’s highest rainfall at 317mm (12.48"). This month experiences the year's highest humidity, reaching 86%. Despite the damp conditions, Ciudad Sandino remains a tropical paradise with warm temperatures and high daylight hours. The wind slows down, enhancing the overall calm ambiance of the city.

Temperature

September begins with an average high-temperature of a still tropical 30.4°C (86.7°F), reflecting close similarity to the preceding month. Throughout September, the nighttime temperature averages to a warm 23.1°C (73.6°F).

Heat index

The heat index value for September is evaluated at a blisteringly hot 40°C (104°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in September is 83%.

Rainfall

In Ciudad Sandino, in September, it is raining for 26.5 days, with typically 173mm (6.81") of accumulated precipitation. Throughout the year, there are 203.8 rainfall days, and 1319mm (51.93") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 11min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:55. On the last day of September, in Ciudad Sandino, sunrise is at 05:34 and sunset at 17:35 CST.

Sunshine

In September, the average sunshine in Ciudad Sandino is 8.6h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, an average UV index of 7 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.